SCHURTER 7020.8580 Equivalent & Substitute Parts

Part Overview

The SCHURTER 7020.8580 is a 20A ceramic cartridge fuse rated for 500VAC and 250VDC operation. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new designs. The fuse features fast-blow response characteristics and requires a compatible holder for installation. Its non-standard cartridge package and specific voltage ratings define the scope for identifying suitable alternatives.

Substiute Parts

7020.8580

SCHURTER Inc.In Stock: 10727020.8580 Datasheet

Current PartRFQ

L50S020.T

Littelfuse Inc.In Stock: 1152L50S020.T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCHURTER 7020.8580 is determined by the following critical parameters:

• Current Rating: Must be 20A
• Voltage Rating - AC: Must be 500V or higher
• Voltage Rating - DC: Must be 250V or higher
• Fuse Type: Cartridge configuration
• Response Time: Fast Blow characteristic
• Package / Case: Non-standard cartridge dimensions compatible with existing holders
• Breaking Capacity: Must meet or exceed 100kA AC and 10kA DC at rated voltage

The Littelfuse L50S020.T satisfies these substitution criteria with equivalent current and voltage ratings, matching fast-blow response and cartridge configuration. The substitute provides enhanced breaking capacity (200kA AC, 20kA DC) and improved DC voltage rating (450VDC vs. 250VDC), making it suitable for direct replacement in applications requiring the original part's specifications.

Parameter Comparison

Engineering Selection Recommendations

The Littelfuse L50S020.T is the direct substitute for the SCHURTER 7020.8580. Both components share identical current ratings (20A) and AC voltage ratings (500V), with the substitute providing superior DC voltage capability (450VDC vs. 250VDC). The L50S020.T maintains active product status with current manufacturing support, whereas the original part is obsolete.

The substitute offers enhanced breaking capacity specifications and holds multiple international certifications (CE, CSA, UR). The L50S020.T is ROHS3 compliant, addressing modern regulatory requirements that the original non-compliant part does not meet. Dimensional variations between the two cartridges are minimal (0.012" diameter and 0.031" length differences), and both require compatible holder installations.

Frequently Asked Questions (FAQ)

Q: Can the Littelfuse L50S020.T directly replace the SCHURTER 7020.8580 in existing applications?

A: Yes. Both fuses share the same 20A current rating and 500VAC voltage rating. The substitute's higher DC voltage rating (450VDC vs. 250VDC) and enhanced breaking capacity make it suitable for direct replacement. Verify that the existing holder accommodates the minor dimensional differences (0.563" Dia x 2.000" L vs. 0.551" Dia x 1.969" L).

Q: What are the key differences between these two cartridge fuses?

A: The primary differences are product status (obsolete vs. active), DC voltage rating (250V vs. 450V), breaking capacity (100kA/10kA vs. 200kA/20kA), regulatory compliance (non-compliant vs. ROHS3 compliant), and certifications (none vs. CE, CSA, UR). The substitute provides superior electrical performance and modern compliance.

Q: Are there dimensional compatibility concerns with the substitute?

A: The L50S020.T has slightly larger dimensions (0.563" Dia x 2.000" L compared to 0.551" Dia x 1.969" L). Confirm that the existing fuse holder accommodates these minor variations before installation.

Q: Does the substitute maintain the same response time characteristic?

A: Yes. Both fuses are fast-blow type, providing identical response time performance for circuit protection applications.

Q: What certifications does the substitute carry?

A: The Littelfuse L50S020.T holds CE, CSA, and UR approvals, providing international regulatory recognition. The original SCHURTER part carries no specified approvals.